- **vector** Aedes mosquitoes - consider [[Dengue]], [[chikungunya]], and [[Yellow Fever]] as also transmitted by same mosquito # Features - similar to dengue - low grade fever <38.5 few days - **Rash** in 90% of cases - widespread 45% TBSA - face, upper limb, trunk - maculopapular/micropapular in 85% - intense pruritis - non-purulent conjunctivitis - headache ## complications - microcephaly when infected during pregnancy - guillain barre syndrome # diagnosis - PCR - IgG and IgM - diagnosis by serology difficult because cross-reaciton with dengue, west nile, and yellow fever # Treatment - symptomatic only - *avoid NSAIDs and aspirin* until dengue excluded - notifiable disease